66377

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 17.at n=33A031605
• a(n) = 4^n + 5^n + 6^n.at n=6A074561
• Sum of next n 6th powers.at n=2A075667
• Primes p such that 8p +1 and (p-1)/8 are primes.at n=21A085958
• Prime numbers that are the sum of three distinct positive sixth powers.at n=3A126704
• Numbers which are the sums of consecutive sixth powers.at n=18A217846
• Primes which are the sum of three nonzero 6th powers.at n=6A283017
• Number of n X 2 0..1 arrays with every element unequal to 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero.at n=13A305091
• Prime numbersat n=6620